uniapp 打开App

<template>
  <view class="content">
    <button type="primary" @tap="tapOpen">打开APP</button>
	<a href="testshop://params">打开APP</a>
  </view>
</template>

<script>
  export default {
    methods: {
      tapOpen() {
        let u = navigator.userAgent;
        var isWeixin = u.toLowerCase().indexOf('micromessenger') !== -1; // 微信内
        if (isWeixin) {
          alert('请在浏览器中打开')
          return false;
        }
        const platform = uni.getSystemInfoSync().platform;
        if (platform === 'ios') {
          this.ios()
        }
        if (platform === 'android') {
          this.android()
        }
      },

      ios() {
        uni.showLoading({
          title: '加载中...'
        });
        const currentTime = +(new Date());
        window.location.href = "testshop"; //找ios工程师要 UrlSchemes
        //启动间隔20ms运行的定时器，并检测累计消耗时间是否超过3000ms，超过则结束
        let _count = 0,
          timer;
        timer = setInterval(function() {
          _count++;
          const endTime = +(new Date()) - currentTime;
          if (_count >= 100 || endTime > 3000) {
            uni.hideLoading()
            clearInterval(timer);
            let hidden = window.document.hidden || window.document.mozHidden || window.document
              .msHidden || window.document.webkitHidden;
            if (typeof hidden == "undefined" || hidden == false) {
              //App store下载地址
              window.location.href = "https://ide.dcloud.net.cn/build/download/9cb7b510-98cc-11ee-80f8-818737b5217e"; //下载地址 可以直接跳转到appstore的
            }
          }
        }, 20);
      },
      android() {
        // uni.showLoading({
        //   title: '加载中...'
        // });
        // const currentTime = new Date().getTime();
        // window.location.href = "nftmall://"; //找android工程师要 UrlSchemes
		let ifr = document.createElement("iframe");
		ifr.src = "testshop://params";
		ifr.style.display = "none";
		document.body.appendChild(ifr);
        // 启动间隔20ms运行的定时器，并检测累计消耗时间是否超过2000ms,超时则结束
        // let _count = 0,
        //   timer;
        // timer = setInterval(() => {
        //   _count++;
        //   const endTime = new Date().getTime() - currentTime;
        //   if (_count >= 200 || endTime > 5000) {
        //     uni.hideLoading()
        //     clearInterval(timer);
        //     let hidden = window.document.hidden || window.document.mozHidden || window.document
        //       .msHidden || window.document.webkitHidden;
        //     if (typeof hidden == "undefined" || hidden == false) {
        //       //App store下载地址
        //       window.location.href = "https://ide.dcloud.net.cn/build/download/9cb7b510-98cc-11ee-80f8-818737b5217e"; //下载地址
        //     }
        //   }
        // }, 20)
      }
    }
  }
</script>
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*在manifest.json的"app-plus"->“distribute”->"android"节点下添加schemes数据:
“schemes” : “testshop”